Key board for a computer



FIG. 1 is a front, top and right side perspective view of a key board for a computer showing our new design;

FIG. 2 is a rear, bottom and left side perspective view thereof;

FIG. 3 is a top plan view thereof on an enlarged scale; and

FIG. 4 is a left side elevational view thereof on an enlarged scale. 

The ornamental design for a key board for a computer, as shown and described. 